19490845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{911}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 25608960

約数和(自身を除く): 6118115

約数列:

[1, 5, 11, 55, 389, 911, 1945, 4279, 4555, 10021, 21395, 50105, 354379, 1771895, 3898169, 19490845]

約数ペア:

[(1, 19490845), (5, 3898169), (11, 1771895), (55, 354379), (389, 50105), (911, 21395), (1945, 10021), (4279, 4555)]